20735742

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:237

約数の個数: 48

約数和(自身を含む): 44593920

約数和(自身を除く): 23858178

約数列:

[1, 2, 3, 6, 23, 46, 47, 69, 94, 138, 139, 141, 278, 282, 417, 529, 834, 1058, 1081, 1587, 2162, 3174, 3197, 3243, 6394, 6486, 6533, 9591, 13066, 19182, 19599, 24863, 39198, 49726, 73531, 74589, 147062, 149178, 150259, 220593, 300518, 441186, 450777, 901554, 3455957, 6911914, 10367871, 20735742]

約数ペア:

[(1, 20735742), (2, 10367871), (3, 6911914), (6, 3455957), (23, 901554), (46, 450777), (47, 441186), (69, 300518), (94, 220593), (138, 150259), (139, 149178), (141, 147062), (278, 74589), (282, 73531), (417, 49726), (529, 39198), (834, 24863), (1058, 19599), (1081, 19182), (1587, 13066), (2162, 9591), (3174, 6533), (3197, 6486), (3243, 6394)]